package com.ruoyi.common.security.handler;

import com.ruoyi.common.core.constant.HttpStatus;
import com.ruoyi.common.core.exception.DemoModeException;
import com.ruoyi.common.core.exception.InnerAuthException;
import com.ruoyi.common.core.exception.ServiceException;
import com.ruoyi.common.core.exception.UserAuthException;
import com.ruoyi.common.core.exception.auth.NotPermissionException;
import com.ruoyi.common.core.exception.auth.NotRoleException;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.html.EscapeUtil;
import com.ruoyi.common.core.web.domain.AjaxResult;
import javax.servlet.http.HttpServletRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.Order;
import org.springframework.validation.BindException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.MissingPathVariableException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;

/**
 * 全局异常处理器
 *
 * @author ruoyi
 */
@RestControllerAdvice
public class GlobalExceptionHandler {

  private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);

  /**
   * 权限码异常
   */
  @ExceptionHandler(NotPermissionException.class)
  public AjaxResult handleNotPermissionException(NotPermissionException e,
      HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求地址'{}',权限码校验失败'{}'", requestURI, e.getMessage());
    return AjaxResult.error(HttpStatus.FORBIDDEN, "没有访问权限，请联系管理员授权");
  }

  /**
   * 角色权限异常
   */
  @ExceptionHandler(NotRoleException.class)
  public AjaxResult handleNotRoleException(NotRoleException e, HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求地址'{}',角色权限校验失败'{}'", requestURI, e.getMessage());
    return AjaxResult.error(HttpStatus.FORBIDDEN, "没有访问权限，请联系管理员授权");
  }

  /**
   * 请求方式不支持
   */
  @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
  public AjaxResult handleHttpRequestMethodNotSupported(HttpRequestMethodNotSupportedException e,
      HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求地址'{}',不支持'{}'请求", requestURI, e.getMethod());
    return AjaxResult.error(e.getMessage());
  }

  /**
   * 业务异常
   */
  @ExceptionHandler(ServiceException.class)
  public AjaxResult handleServiceException(ServiceException e, HttpServletRequest request) {
    log.error(e.getMessage(), e);
    Integer code = e.getCode();
    return StringUtils.isNotNull(code) ? AjaxResult.error(code, e.getMessage())
        : AjaxResult.error(e.getMessage());
  }

  /**
   * 请求路径中缺少必需的路径变量
   */
  @Order(0)
  @ExceptionHandler(MissingPathVariableException.class)
  public AjaxResult handleMissingPathVariableException(MissingPathVariableException e,
      HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求路径中缺少必需的路径变量'{}',发生系统异常.", requestURI, e);
    return AjaxResult.error(String.format("请求路径中缺少必需的路径变量[%s]", e.getVariableName()));
  }

  /**
   * 请求参数类型不匹配
   */
  @ExceptionHandler(MethodArgumentTypeMismatchException.class)
  public AjaxResult handleMethodArgumentTypeMismatchException(MethodArgumentTypeMismatchException e,
      HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    String value = Convert.toStr(e.getValue());
    if (StringUtils.isNotEmpty(value)) {
      value = EscapeUtil.clean(value);
    }
    log.error("请求参数类型不匹配'{}',发生系统异常.", requestURI, e);
    return AjaxResult.error(
        String.format("请求参数类型不匹配，参数[%s]要求类型为：'%s'，但输入值为：'%s'", e.getName(),
            e.getRequiredType().getName(), value));
  }

  /**
   * 拦截未知的运行时异常
   */
  @ExceptionHandler(RuntimeException.class)
  public AjaxResult handleRuntimeException(RuntimeException e, HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求地址'{}',发生未知异常.", requestURI, e);
    return AjaxResult.error(e.getMessage());
  }

  /**
   * 系统异常
   */
  @ExceptionHandler(Exception.class)
  public AjaxResult handleException(Exception e, HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求地址'{}',发生系统异常.", requestURI, e);
    return AjaxResult.error(e.getMessage());
  }

  /**
   * 自定义验证异常
   */
  @ExceptionHandler(BindException.class)
  public AjaxResult handleBindException(BindException e) {
    log.error(e.getMessage(), e);
    String message = e.getAllErrors().get(0).getDefaultMessage();
    return AjaxResult.error(message);
  }

  /**
   * 自定义验证异常
   */
  @ExceptionHandler(MethodArgumentNotValidException.class)
  public Object handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
    log.error(e.getMessage(), e);
    String message = e.getBindingResult().getFieldError().getDefaultMessage();
    return AjaxResult.error(message);
  }

  /**
   * 内部认证异常
   */
  @ExceptionHandler(InnerAuthException.class)
  public AjaxResult handleInnerAuthException(InnerAuthException e) {
    return AjaxResult.error(e.getMessage());
  }

  /**
   * 演示模式异常
   */
  @ExceptionHandler(DemoModeException.class)
  public AjaxResult handleDemoModeException(DemoModeException e) {
    return AjaxResult.error("演示模式，不允许操作");
  }

  @ExceptionHandler(UserAuthException.class)
  public AjaxResult handleAuthenticationException(UserAuthException e) {
    if (HttpStatus.LIMIT == e.getCode()) {
      return AjaxResult.error(HttpStatus.LIMIT, e.getMessage());
    }
    if (HttpStatus.FORBIDDEN == e.getCode()) {
      return AjaxResult.error(HttpStatus.FORBIDDEN, "Token已经失效,请刷新或者重新登录");
    }
    if (HttpStatus.WARN == e.getCode()) {
      return AjaxResult.error(HttpStatus.WARN, e.getMessage());
    }
    return AjaxResult.error(e.getCode(), "登录状态验证错误,请重新登录!");
  }
}
